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730 posts


BOJ 1753 최단경로
- 표준 라이브러리 없음
- 전역 변수 없음 (.bss, .data 없음)
- 바이트코드에 NULL byte 없음
- 첫 instruction부터 시작
acmicpc.net/source/95732730


한국어
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🎉The KimchiPremium took 3rd place at Remedy 2025! 🎉 We're a Korean CTF team that plays for fun. Many thanks to the @xyz_remedy @hexensio for hosting such a fantastic CTF with fun challenges. Looking forward to the next one!
Remedy@xyz_remedy
The biggest Web3 CTF is over: 🥇 @ChainLight_io 🥈 A-Team 🥉 @Web3Kimchi The Remedy CTF 2025 was @hexensio's first-ever competition. Check out all the highlights 🧵
English

Awesome team with awesome results! Good game well pwned.
Super Guesser@SuperGuesser
We finished the DEFCON CTF 32 as 3rd place! Collaborated with @dicegangctf and CodeRed. All we played hard and made it 👏👏👏
English
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이 사람이 실수를 하지 않은 세계선이 있다?
믹스 업로드 했습니다. 많은 관심 부탁드립니다 🫡
mixcloud.com/rectcoordsys/2…
개발자(아님)@rectcoordsys
#애니송심당 안녕하세요 팀 퓨즈에서 2번째로 틀었던 DJ developer입니다. 다들 잘 즐겨주셨길 바라고 나중에 다시 뵐 수 있으면 좋겠습니다. 감사합니다😆
한국어

@diff72840089 정확히는 랜덤한 bool 값을 생성하기 위해 선형 합동 방식으로 여러개의 균등 분포를 생성한 다음, 중심 극한 정리를 사용해 정규 분포를 근사화할 때 사용했습니다. 귀찮아서 앞 부분을 생략했더니 의미가 이상해지긴 했네요.
한국어

@wmitsuda @kelvinfichter I did some onchain analysis to find out who is 0x60 a while ago. It seems to be the fork of OP; #L42" target="_blank" rel="nofollow noopener">github.com/patex-ecosyste…
They fund their batcher account from their withdrawal contract.
English

@kelvinfichter you are right, the 0x68 one is tagged as OP-batcher on etherscan, I was assuming the 0x60 was from OP as well
English

the moment OP-mainnet started posting blobs on mainnet L1.
interesting, it looks like they are still posting on CALLDATA sometimes (unless I'm looking at the wrong data).

Willian Mitsuda (☕, ☕) 🦇🔊@wmitsuda
the exact moment Ecotone HF was activated on OP-Sepolia and it started to post blobs instead of calldata on L1. the picture shows the batch inbox on sepolia L1. blobs are coming and we'll see that on mainnet in a few days...
English
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